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发明名称
RISER PIPE FOR FLOATING TYPE PETROLEUM PRODUCTION PLATFORM
摘要
申请公布号
JPS62174495(A)
申请公布日期
1987.07.31
申请号
JP19860014817
申请日期
1986.01.28
申请人
MITSUI ENG & SHIPBUILD CO LTD
发明人
NAKAMURA SADAAKI
分类号
E21B43/01
主分类号
E21B43/01
代理机构
代理人
主权项
地址
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